Electrostatic voltage measuring instrument



FIG. 1 is a right side elevational view of an electrostatic voltagemeasuring instrument showing my new design, the left side being a mirrorimage thereto;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof, and

FIG. 5 is a rear elevational view thereof.

The ornamental design for an electrostatic voltage measuring instrument,as shown and described.